Posted by lindsey on Tuesday, May 24, 2011 at 1:53pm.
How many hours will it take a bicyclist traveling 17.6 feet per second to finish a 90mile race? Round your answer, if necessary, to the nearest tenth.

geometry  Ms. Sue, Tuesday, May 24, 2011 at 3:12pm
90 * 5280 = 475,200 feet
475,200 / 17.6 = 27,000 seconds
60 * 60 = 3,600 seconds per 1 hour
27,000 / 3600 = 7.5 hours 
geometry  Marcus, Tuesday, June 7, 2011 at 2:05pm
XY bisects and is perpendicular to line segments AB and CD . AB = 96 inches, and line segment AP = 52 inches. What is the length of XY ?